Ansible not reading vault var file

I have a project with the following layout: . ├── ansible.cfg ├── rootplaybook.yml ├── group_vars │   ├── inventorygroup │   │   ├── main.yml │   │   └── vault.yml │   └── vagrant │   └── main.yml ├── inventory └── roles ├── common │   └── tasks │   └── main.yml └── service ├── defaults │   └── main.yml ├── tasks │   ├──…

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Trying to change MySQL root password and getting error “PID filepath: No such file or directory.”

This is on CentOS Linux release 7.6.1810. MySQL is running. I need to change the MySQL root password. I run sudo systemctl stop mysqld and then sudo mysqld_safe –skip-grant-tables & and SSH hangs until I hit return. I try mysql -u root and that gives me the error: ‘Can’t connect to local MySQL server through…

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